ZOSI ZG2258A 8MP PoE security camera: this PoE IP camera cannot be used separately， it needs to connect with NVR to work， only compatible with ZOSI PoE NVR

4K 8.0MP ultra high definition: the resolution of this PoE IP camera is 4X clearer than 1080P and 1.6X clearer than 5MP， the 4K resolution can record sharper details and zoom into far away objects digitally without losing any quality

Powered optional and easy installation: this 4k IP camera can be powered up by a power supply or by 1 ethernet cable with a PoE switch easy plug and play， only need 1 Ethernet cable to run for both power and video transmission

Indoor and outdoor use: aluminum metal vandal proof and IP66 waterproof can withstand the toughest of outdoor conditions， can be installed in almost any outdoor or indoor place

Human detection with smart alerts: when there are motion events， this camera will alert to any potential danger via a smart light and sound alarm system and you'll always receive real-time app pushes and email alerts， providing a higher level of security

2-way audio: with a 2-way audio function， not only can hear but also allows you to have real-time conversations like talking on a phone with your family members or warning intruders even if you are far away from home